Operating System (OS)
The term 'polling' in a computer means a process by which a computer system

None of these
multiplexes the inputs and updates the memory accordingly
detects/corrects errors
decides correct alternative by analysing several ones
inquires to see if a terminal has any transaction to send

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Operating System (OS)
Round-robin scheduling

allows processor-bound tasks more time in the processor
gives each task the same chance at the processor
allows interactive tasks quicker access to the processor
is quite complex to implement
None of these

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